Apparatus and method for using a portable thermal device to reduce accommodation of nerve receptors
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-007/02
A61F-007/08
A61F-007/00
출원번호
US-0004746
(2011-01-11)
등록번호
US-8702775
(2014-04-22)
발명자
/ 주소
Dunbar, Peter J.
Chabal, Charles
출원인 / 주소
Carewave, Inc.
대리인 / 주소
Perkins Coie LLP
인용정보
피인용 횟수 :
2인용 특허 :
76
초록▼
A system and method for portably delivering a therapeutic dose of heat to the skin to relieve pain, reduce accommodation of thermal nerve receptors, promote healing, and deliver transcutaneous medications. The heating device is user programmable or pre-programmed to deliver according to a variety of
A system and method for portably delivering a therapeutic dose of heat to the skin to relieve pain, reduce accommodation of thermal nerve receptors, promote healing, and deliver transcutaneous medications. The heating device is user programmable or pre-programmed to deliver according to a variety of cycles, patterns and algorithms. The cycles, patterns, and algorithms of the heat are programmable parameters, are under the user's control, and increase the effectiveness and efficiency of the device. The heating algorithms are designed to interact with an individual user's thermal nerve receptors and other tissue characteristics and to reduce the tendency of the receptors to accommodate to the external stimuli with back pain, muscular pain, dysmenorrhea, headaches, fibromyalgia, post-herpetic neuralgia, nerve injuries and neuropathies, and sprains and strain. The device can also be used in conjunction with existing medical devices such as Transcutaneous Electrical Nerve Stimulators (TENS) to increase the effectiveness of TENS devices.
대표청구항▼
1. A heating device for portably delivering a therapeutic dose of heat to the skin to reduce accommodation of thermal nerve receptors, comprising: a portable heat delivery element contained within a housing adaptable to be worn proximate to the skin of a user;anda microprocessor control unit operabl
1. A heating device for portably delivering a therapeutic dose of heat to the skin to reduce accommodation of thermal nerve receptors, comprising: a portable heat delivery element contained within a housing adaptable to be worn proximate to the skin of a user;anda microprocessor control unit operably connected to the portable heat delivery element configured to allow a user to control activation of the control unit;wherein the microprocessor control unit is programmed to execute a variable heat cycle having at least a ramp-up phase, a steady heat phase, a ramp-down phase and a soak heat phase, and wherein the soak heat phase is the lowest temperature in the heat cycle and wherein the soak heat is greater than normothermia body temperature. 2. The heating device of claim 1 wherein the variable heat cycle is less than fifteen minutes in duration. 3. The heating device of claim 1 wherein the ramp-up phase is less than three minute in duration and greater than thirty seconds in duration, wherein the steady heat phase is less than thirty minutes in duration and greater than thirty seconds in duration, wherein the ramp-down phase is less than three minutes in duration and greater than thirty seconds in duration, wherein the soak heat phase is less than ten minutes in duration and greater than thirty seconds in duration. 4. The heating device of claim 1 wherein the portable heat delivery element further comprises zones of independently activated thermal zones, wherein the thermal zones are activated in a predetermined pattern. 5. The heating device of claim 4 wherein the predetermined pattern is a checkerboard pattern, a sequential bar pattern, a wave pattern and/or a random pattern across the heat delivery element. 6. The heating device of claim 1 wherein the control unit includes multiple activation elements. 7. The heating device of claim 1 further comprising an activation element operably coupled to the control unit, wherein the activation element is an electronic pressure sensor. 8. The heating device of claim 1 further including a TENS system for providing a patient relief from pain through electrical stimulation. 9. The heating device of claim 1 further comprising an analgesic cream, creams and other topical medications used to treat nerve injuries, a nonsteroidal anti-inflammatory drug (NSAID) a cream used to treat nerve injuries, and/or an Opioid analgesic applied to the skin prior to application of the heating device. 10. The heating device of claim 1 wherein the microprocessor control unit is wirelessly coupled to the portable heat delivery element. 11. The device of claim 1 wherein the heat delivery elements delivers a sine wave energy pattern during at least one of the steady heat phase and the soak heat phase. 12. The device of claim 1 wherein the heat delivery elements delivers a saw tooth wave energy pattern during at least one of the steady heat phase and the soak heat phase. 13. A user-controllable therapeutic heating device for relieving pain, comprising: a plurality of spaced apart thermal elements for transferring heat to skin, the thermal elements having a first side and a second side, the first side having a heat exchanging surface in thermal communication with the skin;a wireless, rechargeable power source electrically coupled to the plurality of spaced apart thermal elements, the power source contained in a housing, the housing further including a attachment element for releasably retaining the power source; anda control unit operatively coupled to the thermal elements, the control unit allowing the user to initiate a heat cycle and/or pattern to activate the thermal elements according to the heat cycle and/or pattern, the heat cycle having at least a ramp-up phase, a steady heat phase, a ramp-down phase and a soak heat phase, and wherein the soak heat phase is the lowest temperature in the heat cycle and/or pattern and wherein the soak heat phase is above normothermia. 14. The user-controllable therapeutic heating device of claim 13 wherein the control unit comprises at least one of a preset variable heat cycle, the variable heat cycle having at least a ramp-up phase, a steady heat phase, a ramp-down phase and a soak heat phase, wherein the temperature differential between the steady heat phase and the soak heat phase is less than 5° C. 15. The user-controllable therapeutic heating device of claim 13 wherein the control unit further comprises a plurality of predetermined pattern durations, wherein multiple variable heat cycles occur during one predetermined pattern duration. 16. The user-controllable therapeutic heating device of claim 15 wherein the predetermined pattern duration is for less than one hour and the variable heat cycles are for less than 10 minutes in duration. 17. The user-controllable therapeutic heating device of claim 13 wherein the heat exchanging surface of the thermal element is affixed to the skin with a gel. 18. The user-controllable therapeutic heating device of claim 17 wherein the gel further includes an analgesic topical agent. 19. The user-controllable therapeutic heating device of claim 13 wherein the thermal element further includes a reflective insulation on the second side to prevent heat loss and to improve efficiency of the device. 20. The user-controllable therapeutic heating device of claim 13 wherein the thermal elements are contained by an elastomeric band configured to fit a knee, an ankle, a foot, an elbow, a wrist, a joint, a shoulder, a neck and/or a head. 21. The user-controllable therapeutic heating device of claim 13 wherein the attachment element is a clip. 22. The user-controllable therapeutic heating device of claim 13 wherein the control unit is wirelessly coupled to the thermal elements. 23. The user-controllable therapeutic heating device of claim 13 wherein the control unit further includes at least one of a button for activating the thermal elements. 24. The user-controllable therapeutic heating device of claim 13 wherein the control unit further includes at least one of a switch for activating the thermal elements. 25. The user-controllable therapeutic heating device of claim 13 wherein the thermal elements are independently activated. 26. The heating device of claim 13, further comprising a sensing element proximate to the heat exchanging surface. 27. The heating device of claim 13, further comprising a temperature sensing element proximate to the heat exchanging surface. 28. The heating device of claim 13, further comprising: a first temperature sensing element proximate to the heat exchanging surface for detecting a temperature of the heat exchange surface; anda second temperature sensing element proximate to the heat exchanging surface for detecting a temperature of the skin of the subject. 29. The device of claim 13 wherein the spaced apart thermal elements execute the heat cycle and/or pattern that is generally same for all the thermal elements. 30. The device of claim 13 wherein the spaced apart thermal elements execute the heat cycle and/or patterns that are shifted in time. 31. A method of using heat to reduce accommodation of thermal nerve receptors on the skin of a subject, comprising: (i) providing at least one of a heating element which is configured to be removably retained on skin of a user proximate to skin;(ii) increasing the temperature of the heating element to provide a first temperature ramp-up period;(iii) holding the temperature of the heating element at a first therapeutic level for at least thirty seconds;(iv) decreasing the temperature of a heating device during a ramp-down period; and(v) holding the temperature of the heating device at a second predetermined soak level, wherein the soak level temperature is at the lowest temperature in the heat cycle, and wherein the soak level temperature is above a normothermia temperature. 32. The method of claim 31, further comprising: terminating temperature increase of the skin by removing the heating elements from the skin. 33. The method of claim 31, further comprising: reducing accommodation of thermal nerve receptors of a first region on the skin of the subject by performing (i)-(v) at the first region; andreducing accommodation of thermal nerve receptors of a second region on the skin of the subject by performing (i)-(v) at the second region. 34. The method of claim 31, further comprising: activating an actuator to repeat (ii)-(v) as needed by the subject. 35. The method of claim 31, further comprising: repeating (ii)-(v) for a predetermined duration of time. 36. The method of claim 27, further comprising: providing a TENS therapy system comprising a TENS generator for supplying TENS pulses to the patient and a synchronizing circuit to synchronize the application of TENS pulses and electroporation pulses to the patient.
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